Macaroni mold



Nov. 19, 1929. G. LUBRANO 1,736,611

MACARONI MOLD Filed June 8, 192a YEW/A A INVENTOR Gzuscppe Lubrano ATTOR N EY Patented Nov. 19, 1929 UNITED STATES PATENT OFFICE GIUSEPPE LUBRANO, OF NEW YORK, N. Y., ASSIGNOR T0 CURLY MACARONI MOULD (30., INCORPORATED, OF BROOKLYN, NEW YORK, A CORPORATION OF NEW YORK MACARON I MOLD Application filed June 8, 1928. Serial No. 283,992.

This invention relates to macaroni ma chines, and has particular reference to a die for forming curly or spiral macaroni of tubular formation having a longitudinal passage or opening extending throughout, said die being in the nature of an improvement over United States Letters Patent No. 1,592,- 769, granted July 13, 1926.

In practice, the prior patent above referred to has been found deficient and open to numerous objections, among which is first the inability to obtain a uniform coiling or spiraling due to variations in the consistency of the paste or dough; and second the impracticability of obtaining the required precision of adjustment of the die discharge nipple with respect to the eccentric portion of the opening in the die plate.

In order to overcome the above recited deficiency and objection, the present invention comprehends an improved die plug and nipple which inherently function to impart the spiraling or curling action to the paste or dough without cooperation wit-h the die plate openings, thereby eliminating the impractical precision of adjustment, in addition to effecting a uniform curling or spiraling of the paste or dough irrespective of variations in its consistency.

As a further object, the improved die plug and nipple construction is of sufliciently increased strength to render the use of the sifter or strainer plate and its cushion as well as the discharge non-essential, thereby efiecting a substantial economy in the make-up of the press or machine which in the present instance is composed of a single die plate.

The invention furthermore comprehends an improvement in the arrangement of the die plate openings which allows for the use of a thinner and lighter plate which renders the same less expensive to manufacture and easier to handle.

Other objects of the invention reside in the comparative simplicity of construction and in view, reference is had to the following description and accompanying drawings, in which there is exhibited one example or embodiment of the invention, while the claims define the actual scope of the same.

In the drawings:

Figure 1 is a fragmentary vertical sectional view of a macaroni machine or press equipped with the improved die constructed in accordance with the invention.

Figure 2 is a bottom plan view of the die removed from the press cylinder.

Figure 3 is a similar view illustrating a variation in the arrangement of the die plate openings.

Figure 4 is an enlarged fragmentary transverse sectional view through the die plate taken approximately on the line 4% of Figure 3 and illustrating the manner in which the macaroni is discharged in its'spiral form.

Figure 5 is a top plan view of the die plug and nipple removed and on a still larger scale.

Figure 6 is a fragmentary enlarged sectional view through the die plate, plug and nipple illustrating the forming and discharging operation.

Figure 7 is a detail sectional view taken approximately on the line 77 of Figure 6.

Referring to the drawings by characters of reference, A designates the usual cylindrical body of a macaroni machine or press which is provided at its open lower end with an inwardly extending circumferential die plate supporting flange B and which body has mounted thereon for axial'movement a plunger or piston G.

The die plate 10 which is seated on the flange B is provided with vertical openings 11 having the lower portions of reduced diameters to define internal annular shoulders 12. A plug 13 is positioned in each opening with its annular upper enlarged portion 14 seated upon the shoulder 12. The lower portion of each plug is tapered at 15 to fit the correspondingly tapered lower portion 16 of its receiving opening 11. The plugs are cut away at an angle extending upwardly and inwardly from the tapered lower portion 15 as illustrated at 17 and are provided with an oppositely angulated opening or bore 18 provided with an enlarged upper end 23 which rests on the shoulder 21. The lower portion of the nipple is approximately of semi-spherical formation and of lesser depth than the lower portion of the opening 18 and is provided with a lateral outlet opening 24.1

teat 25 of less diameter than the outlet end 19 of the opening extends from the center of the lower end of the nipple to a point substantially in the same plane therewith. The lower portion of the die plate is formed with an eccentric cutaway portion 26 adjacent each outlet opening 11 and intersected thereby to afford a clearance space.

In operation, the paste or dough which is arranged in the cylindrical body A of the press or machine is forced by the plunger or piston C through the die" plate openings 11, thence through the cup-shaped nipples 22 into the lower end of the openings 18 by way of the lateral outlet openings 2sfinally extruded from the lower restricted outlet ends 19 around the teats 25 to form'the tubular structure. The lateral outlet openings 2st are so placed or positioned in the cup-shaped nipples 22 and with respect to the lower portion of the openings 18 as to cause a greater pressure to be developed and exerted upon the dough at this point, whereby a twisting or rotary action is setup which causes an inherent spiraling of the tube as it is dis- 'rharged, thus resulting in the formation of the product in a spiral or curly form.

l ihere the macaroni to be cut in the long lengths, the openings are arranged as shown in Figure 2, in which instance certain of the apenings are omitted to define radially ex tending solid portions 27 which in addition to serving as knife rests for the knife blades 28 act as a means for strengthening the die plate to withstand the extreme pressures to .rhich it is subjected without constructing the die plate of an undue thickness and thus rendering the same lighter and easier to handle.

In instances where the macaroni is out into short lengths. the openings 11 will be arranged as in Figure 3, in which instance the same iscut-continuously by a slowly revolving knife 30 while a central leg or prop 29 -:-:tends downwardly from the center 'of the die plate to the floor.

What is claimed is: V i

1. In an apparatus for forming macaroni, means for forcing the macaroni paste through a die plate, adie plate, having a bore therethrough comprising a laterally extending portion at the base thereof, a plug fittedin.

said opening having a cutaway concave peripheral portion to provide an opening extending downwardly from the top of the plug and communicating with a bore extending laterally and downwardly through the plug, said bore being frusto-conical in shape, having a smaller and a larger end, said larger end communicating with said downwardly extending opening in the plug, a cup-shaped nipple fitted in said frustoconically shaped bore with its bottom spaced from said bore, saidcup-shaped nipple having a lateral opening for establishing communication with the smaller end of said frusto-conically shaped bore, and a teat extending from the bottom of the cup-shaped nipple into the smaller end of thefrusto conically shaped bore terminating in the opening at said end and surrounded by the frusto-conically shaped walls of said bore throughout its entire length, the ends of said frusto-conically shaped bore and said teat being spaced from the laterally extending portion of said die-plate bore, whereby the macaroni extruded from said frusto-conically shapedbore is curled by engagement with said frusto-conically shaped bore and-said teat and passes from said frusto-conically shaped bore Without engaging the laterally extendingportion in said die-plate bore.

2. In an apparatus for forming macaroni, means for forcing the macaroni paste through a die plate, a die plate, having a bore therethrough comprising a laterally extending portion at the basethereof, a plug fitted in said opening having a cutaway concave peripheral portion to provide an opening extending downwardly from the top of the plug and communicating 1 with a bore extending laterally and downwardly through the plug, said bore being frusto-conical in shape, having a smaller anda larger end, said larger end communicating with said downwardly extending opening in the plug, a cup-shaped nipple fitted in said frusto-conically shaped shore with its'bottom spaced from said bore,

said cup-shaped nipple having lateral opening'for establlshing communication with the smaller end of said frusto-conically shaped bore, and a teatextending from the bottom of the cupshaped nipple into the smaller end of the frusto-conically shaped bore terminating in the opening at said end and surrounded by the frusto-conically shaped walls of said bore, throughout its entire length, the ends of said frusto-conically shaped bore and said teat being spaced from the laterally ex tending portion of said die-plate bore, whereby the macaroni is curled without engagement with the laterally extending portion of said dierplate bore.

Signed atNew York in the county of New York and State of New York this 6th day of June A. D. 1928 1 GIUSEPPE LUBRANO. 

